exploratorium during that time, and as his studio needs grew and his family grew, he moved to the north to pedaluma. so he's no longer a san francisco resident, but really sort of grew up here and he's worked on a number of public art projects for san francisco, transit-related. if you've ever taken bart to the airplane, when you arrive at the airplane station, there's a circular area surrounding the escalators covered with shimmering metal discs that reflect the wind and the movement of the trains and that was done by ned, as well as a variety of other pieces, ned is now known for his work with the elements with wind, with water, with light, and works on projects throughout the world with some of the most highly-recognized architects of the world. this design that he'll be presenting today was submitted as part of the design competition. it was done by ned in collaboration with the peter walker associates and the pelley clark pelley team. so ned has worked on numerous projects in the past for san francisco, building a greenhouse starting with building a greenhouse at the county jail in san bruno,